Professor Portal Achievement for Portal 2

Professor Portal Achievement

Icon for Professor Portal

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before
5.80% of players have unlocked this achievement

Guides

We have no guides for this achievement.

Players

Icon for HelloHalo

HelloHalo

Earned on: Apr 25th 2023, 1:57:17 am

aspidya

Earned on: Jun 19th 2021, 6:42:53 am

AFAK

Earned on: Aug 22nd 2020, 10:23:37 am

Dudler3000

Earned on: Feb 15th 2020, 7:04:22 pm

Icon for Valsept

Valsept

Earned on: May 18th 2018, 3:44:37 pm

Icon for Seed of Power

Seed of Power

Earned on: Mar 2nd 2018, 3:32:07 am

✨ ATHANH ✨

Earned on: Jul 6th 2017, 3:55:26 am

Icon for atslughorn

atslughorn

Earned on: Jul 3rd 2016, 2:07:08 pm

Kainie

Earned on: Dec 30th 2015, 2:06:36 am

steezus ⭐

Earned on: Apr 17th 2014, 5:51:19 pm

Icon for Shadows of the Past

Shadows of the Past

Earned on: Jun 7th 2013, 6:41:42 pm

MuckPie

Earned on: Nov 18th 2012, 9:48:43 pm